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umkhiqizo

I-DL-Threonine (CAS# 80-68-2)

Isakhiwo Samakhemikhali:

I-Molecular Formula C4H9NO3
I-Molar Mass 119.12
Ukuminyana 1.3126 (isilinganiso esinzima)
I-Melting Point 244°C (dec.)(lit.)
I-Boling Point 222.38°C (isilinganiso esinzima)
Ukuzungezisa Okuthile(α) [α]D20 0±1.0゜ (c=6, H2O)
I-Flash Point 162.9°C
Ukuncibilika kwamanzi 200 g/L (25 ºC)
I-Vapor Presure 3.77E-06mmHg ku-25°C
Ukubukeka I-crystalline powder emhlophe
Umbala Emhlophe
I-Merck 14,9380
I-BRN 1721647
pKa 2.09(ku-25℃)
Isimo Sesitoreji Gcina kwa-RT.
I-Refractive Index 1.4183 (isilinganiso)
I-MDL I-MFCD00063722
Izakhiwo Zomzimba Nezamakhemikhali Iphuzu lokuncibilika lingu-244°C
ukuncibilika emanzini 200g/L (25°C)

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Izimpawu Eziyingozi Xi - Irritant
Amakhodi Engozi 36/37/38 - Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
Incazelo Yokuphepha I-S24/25 - Gwema ukuthintana nesikhumba namehlo.
I-S37/39 – Gqoka amagilavu ​​afanelekile kanye nokuvikela iso/ubuso
S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
I-WGK Germany 3
I-TSCA Yebo
Ikhodi ye-HS 29225000

 

Isingeniso

I-DL-Threonine iyi-amino acid engabalulekile, etholakala ngokuhlanganiswa kwe-threonine eyenziwa yi-enzyme kabhontshisi wesoya. Kuyimpushana emhlophe ecwebezelayo enokunambitheka okumnandi okuncibilika emanzini. I-DL-threonine inemvelo ephindwe kabili ye-phototropic ekwazi ukuzungezisa ukukhanya, futhi iqukethe ama-isomer amabili e-D-threonine ne-L-threonine, ebizwa nge-DL-threonine.

 

Indlela yokulungiselela i-DL-threonine ngokuyinhloko i-enzymatic synthesis. I-enzyme kabhontshisi wesoya kabhontshisi wesoya yenza ukwakheka kwe-DL-threonine, ama-reactants amabili e-D-threonine ne-L-threonine. Le ndlela iyasebenza, ihambisana nemvelo, ayidingi ukusetshenziswa kwe-organic solvents, futhi inesivuno esihle nokuhlanzeka.

 

I-DL-Threonine iphephile uma kuqhathaniswa ngaphansi kwezimo ezijwayelekile zokusetshenziswa.

 


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